EP0874000A3 - Polymères naturels, pulvérulents et substitués, un procédé pour leur préparation et leur application - Google Patents
Polymères naturels, pulvérulents et substitués, un procédé pour leur préparation et leur application Download PDFInfo
- Publication number
- EP0874000A3 EP0874000A3 EP98105941A EP98105941A EP0874000A3 EP 0874000 A3 EP0874000 A3 EP 0874000A3 EP 98105941 A EP98105941 A EP 98105941A EP 98105941 A EP98105941 A EP 98105941A EP 0874000 A3 EP0874000 A3 EP 0874000A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- applications
- production
- powdered polymers
- natural substituted
- substitution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title abstract 2
- 229920000642 polymer Polymers 0.000 title 1
- 238000006467 substitution reaction Methods 0.000 abstract 2
- 229920000926 Galactomannan Polymers 0.000 abstract 1
- 229920002472 Starch Polymers 0.000 abstract 1
- 239000008186 active pharmaceutical agent Substances 0.000 abstract 1
- 239000007900 aqueous suspension Substances 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229920005615 natural polymer Polymers 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000008107 starch Substances 0.000 abstract 1
- 235000019698 starch Nutrition 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/05—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur
- C08B15/06—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur containing nitrogen, e.g. carbamates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/731—Cellulose; Quaternized cellulose derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A61K47/38—Cellulose; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/732—Starch; Amylose; Amylopectin; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/737—Galactomannans, e.g. guar; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/14—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with nitrogen-containing groups
- C08B11/145—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with nitrogen-containing groups with basic nitrogen, e.g. aminoalkyl ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/08—Ethers
- C08B31/12—Ethers having alkyl or cycloalkyl radicals substituted by heteroatoms, e.g. hydroxyalkyl or carboxyalkyl starch
- C08B31/125—Ethers having alkyl or cycloalkyl radicals substituted by heteroatoms, e.g. hydroxyalkyl or carboxyalkyl starch having a substituent containing at least one nitrogen atom, e.g. cationic starch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0087—Glucomannans or galactomannans; Tara or tara gum, i.e. D-mannose and D-galactose units, e.g. from Cesalpinia spinosa; Tamarind gum, i.e. D-galactose, D-glucose and D-xylose units, e.g. from Tamarindus indica; Gum Arabic, i.e. L-arabinose, L-rhamnose, D-galactose and D-glucuronic acid units, e.g. from Acacia Senegal or Acacia Seyal; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0087—Glucomannans or galactomannans; Tara or tara gum, i.e. D-mannose and D-galactose units, e.g. from Cesalpinia spinosa; Tamarind gum, i.e. D-galactose, D-glucose and D-xylose units, e.g. from Tamarindus indica; Gum Arabic, i.e. L-arabinose, L-rhamnose, D-galactose and D-glucuronic acid units, e.g. from Acacia Senegal or Acacia Seyal; Derivatives thereof
- C08B37/0096—Guar, guar gum, guar flour, guaran, i.e. (beta-1,4) linked D-mannose units in the main chain branched with D-galactose units in (alpha-1,6), e.g. from Cyamopsis Tetragonolobus; Derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
- D21H17/26—Ethers thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
- D21H17/29—Starch cationic
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/31—Gums
- D21H17/32—Guar or other polygalactomannan gum
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Molecular Biology (AREA)
- Pharmacology & Pharmacy (AREA)
- Birds (AREA)
- Inorganic Chemistry (AREA)
- Emergency Medicine (AREA)
- Dermatology (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19717030 | 1997-04-23 | ||
| DE19717030A DE19717030A1 (de) | 1997-04-23 | 1997-04-23 | Substituierte, pulverförmige natürliche Polymere, ein Verfahren zur Herstellung und ihre Verwendung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0874000A2 EP0874000A2 (fr) | 1998-10-28 |
| EP0874000A3 true EP0874000A3 (fr) | 1999-06-30 |
Family
ID=7827430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98105941A Withdrawn EP0874000A3 (fr) | 1997-04-23 | 1998-04-01 | Polymères naturels, pulvérulents et substitués, un procédé pour leur préparation et leur application |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0874000A3 (fr) |
| KR (1) | KR19980081565A (fr) |
| DE (1) | DE19717030A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO317844B1 (no) * | 2002-11-04 | 2004-12-20 | Yara Int Asa | Produkt for behandling av vann og avlopsvann og en fremgangsmate for a fremstille nevnte produkt |
| EP1566388A1 (fr) * | 2004-02-19 | 2005-08-24 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO | Polymères d'hydrate de carbone cationiques, leur utilisation et procédé pour leur préparation |
| EP1566389A1 (fr) * | 2004-02-19 | 2005-08-24 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Polymères d'hydrate de carbone cationiques, leur utilisation et procédé pour leur preparation |
| CN110551226B (zh) * | 2019-07-30 | 2021-06-08 | 大连理工大学 | 一种亲/疏水性可控转换的叔胺型含氮聚糖衍生物及其制备方法和应用 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2434821A1 (fr) * | 1978-08-31 | 1980-03-28 | Roquette Freres | Procede de cationisation de l'amidon, nouveaux amidons cationises ainsi obtenus et leurs applications |
| EP0233336A2 (fr) * | 1986-02-15 | 1987-08-26 | Degussa Aktiengesellschaft | Procédé pourl'éthérification d'amidon |
| EP0234014A2 (fr) * | 1986-02-15 | 1987-09-02 | Degussa Aktiengesellschaft | Procédé pour éthérification de galactomannanes |
| EP0303039A2 (fr) * | 1987-08-08 | 1989-02-15 | Degussa Aktiengesellschaft | Procédé pour la cationisation à sec d'amidon |
| EP0310787A2 (fr) * | 1987-10-03 | 1989-04-12 | Degussa Aktiengesellschaft | Procédé pour la préparation d'éthers de cellulose contenant de l'azote tertiaire ou quaternaire |
| WO1992019652A1 (fr) * | 1991-05-03 | 1992-11-12 | Società Consortile Ricerche Angelini S.P.A. | Polysaccharides cationiques |
-
1997
- 1997-04-23 DE DE19717030A patent/DE19717030A1/de not_active Withdrawn
-
1998
- 1998-04-01 EP EP98105941A patent/EP0874000A3/fr not_active Withdrawn
- 1998-04-21 KR KR1019980014123A patent/KR19980081565A/ko not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2434821A1 (fr) * | 1978-08-31 | 1980-03-28 | Roquette Freres | Procede de cationisation de l'amidon, nouveaux amidons cationises ainsi obtenus et leurs applications |
| EP0233336A2 (fr) * | 1986-02-15 | 1987-08-26 | Degussa Aktiengesellschaft | Procédé pourl'éthérification d'amidon |
| EP0234014A2 (fr) * | 1986-02-15 | 1987-09-02 | Degussa Aktiengesellschaft | Procédé pour éthérification de galactomannanes |
| EP0303039A2 (fr) * | 1987-08-08 | 1989-02-15 | Degussa Aktiengesellschaft | Procédé pour la cationisation à sec d'amidon |
| EP0310787A2 (fr) * | 1987-10-03 | 1989-04-12 | Degussa Aktiengesellschaft | Procédé pour la préparation d'éthers de cellulose contenant de l'azote tertiaire ou quaternaire |
| WO1992019652A1 (fr) * | 1991-05-03 | 1992-11-12 | Società Consortile Ricerche Angelini S.P.A. | Polysaccharides cationiques |
Non-Patent Citations (1)
| Title |
|---|
| G. HELLWIG ET AL.: "Production of cationic starch ethers using an improved dry process.", STÄRKE, vol. 44, no. 2, 1992, de, pages 69 - 74, XP000249501 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980081565A (ko) | 1998-11-25 |
| EP0874000A2 (fr) | 1998-10-28 |
| DE19717030A1 (de) | 1998-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE59812365D1 (de) | Polymermodifizierte anionische stärke, verfahren zu ihrer herstellung und ihre verwendung | |
| EP0383568A3 (fr) | Fibres de phosphate de calcium | |
| ATE56143T1 (de) | Verfahren zur herstellung einer waessrigen ueberzugsmitteldispersion und ihre verwendung zum ueberziehen von arzneimitteln. | |
| EP0323627A3 (fr) | Galactomannanes modifiés et procédé pour leur préparation | |
| ATE251095T1 (de) | Formkörper aus einem leichtwerkstoff, verfahren zu deren herstellung und ihre verwendung | |
| ATE158602T1 (de) | Mit cellulosemicrofibrillen verstärkte polymere, daraus hergestellte latex, pulver, beschichtungen, stäbe und ihre verwendungen | |
| ATE344064T1 (de) | Verbindungen und verfahren zur hemokompatiblen beschichtung von oberflächen | |
| FR2563640B1 (fr) | Resine liante pour toner, toner contenant cette resine et son procede de production | |
| DE69010350D1 (de) | Polysaccharide mit Alkaryl- oder Aralkyl- Hydrophoben und Latexzusammensetzungen, die die Polysaccharide enthalten. | |
| ATE196304T1 (de) | Pfropfcopolymere, verfahren zu deren herstellung, zusammensetzungen die sie enthalten und ihre verwendung zur herstellung von wässrigen und/oder organischen pigmentdispersionen | |
| EP0117356A3 (fr) | Production de produits de vermiculite | |
| DE59103454D1 (de) | Verfahren zur Herstellung von feinteiligen, wasserlöslichen Polymerisaten. | |
| ATE260319T1 (de) | Emulgiermittel auf basis von stärke mit hohem amylosegehalt und verfahren zu deren herstellung | |
| DE3585193D1 (de) | Macrophage aktivierende zusammensetzung und ein verfahren zu ihrer herstellung. | |
| DE3581320D1 (de) | Verfahren zur herstellung von wasserloeslichen polysacchariden, die so erhaeltlichen saccharide und ihre verwendung. | |
| EP0874000A3 (fr) | Polymères naturels, pulvérulents et substitués, un procédé pour leur préparation et leur application | |
| DE59910862D1 (de) | Waessrige 2k-pur-systeme mit erhöhter schlagzähigkeit, hohen beständigkeitseigenschaften und guten optischen eigenschaften, ein verfahren zu ihrer herstellung und ihre verwendung | |
| ATE21251T1 (de) | Verfahren zur herstellung von celluloseethern mit verbessertem dispergierverhalten. | |
| ATE154626T1 (de) | Verfahren zur herstellung von einem biologisch abbaubaren, wasserbeständigen film und verfahren, um einen biologisch abbaubaren artikel wasserbeständig zu machen | |
| ATE43611T1 (de) | Verfahren zur herstellung von in heissem wasser dispergierbarer maisstaerke mit hoher pastenviskositaet. | |
| EP0780384A3 (fr) | Procédé de préparation de chloro-2-chlorométhyl-5-thiazol | |
| EP0382003A3 (fr) | Poudre céramique pour poudrage électrostatique et procédé pour sa fabrication | |
| FR2376161A1 (fr) | Nouveaux produits amylaces, leur procede de preparation et leurs applications | |
| ATE247133T1 (de) | Verfahren zur herstellung von chemisch reaktiver stärke | |
| DE69512996D1 (de) | Verfahren zur Herstellung von Überzugsmassen auf Basis einer fliessfähigen Pulveraufschlämmung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 19980401 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE DK FI FR GB LI NL SE |
|
| AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
| AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DEGUSSA-HUELS AKTIENGESELLSCHAFT |
|
| RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DEGUSSA-HUELS AKTIENGESELLSCHAFT |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
| 18W | Application withdrawn |
Withdrawal date: 19991222 |
|
| AKX | Designation fees paid |
Free format text: AT BE CH DE DK FI FR GB LI NL SE |